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gas/oil mix?
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Posted: 03/15/09
05:49 AM
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i just bought a 2001 kx 250 and wanted to know the best mix i shoud run?
thanks for helping
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92rm125
Addict
| Posts: 10296
| Joined: 03/08
Posted: 03/15/09
06:54 AM
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32:1 
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The King Of Crumpets - Crumpet Boy!
- 1991 RM125
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Posted: 03/15/09
07:56 AM
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awsome thanks
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Posted: 03/15/09
08:13 AM
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yep 32:1 like 92 said, and use Bel-Ray H1R or Pro Honda HP2 premix.
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The only reason a four-stroke can beat a two-stroke is because of the double displacement advantage
Newaygo, Michigan
1996 RM125
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yzrider2
Addict
| Posts: 2758
| Joined: 04/08
Posted: 03/15/09
08:16 AM
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32:1 are 40:1 i run 40to1
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live fast ride hard
NOR*CAL
YZ 250 
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grove
New User
| Posts: 20
| Joined: 03/08
Posted: 03/15/09
11:19 AM
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i run 50:1. castor 927 oil, and 93 octane. and my 97 kx 250 has never fouled a plug and the thing runs awesome. great low end and doesnt ping on top end. i have ran on one plug for a very long time. but i do change my plugs maybe once few months. i dont keep track because the bike doesnt foul plugs.
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DLHamblin
Administrator
| Posts: 4452
| Joined: 03/05
Posted: 03/16/09
04:30 AM
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 fordguy1992:
i just bought a 2001 kx 250 and wanted to know the best mix i shoud run?
thanks for helping
What did the previous owner run? If he ran a different mix and rejetted accordingly; you may need to rejet if you change it.
.
Dave H 2006 YZ250
(2008 YZ 125 son)
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Posted: 03/16/09
05:36 PM
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he didnt know anything. he just said he ran oil from the parts store. he was a retard. if i didnt know anything about bikes i woudnt have bought it. he gave me no info. the bike had not been taken care of at all. thanks for all the help
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Posted: 03/16/09
07:27 PM
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i run golden spectro 40:1 and have never fouled a plug even though i have taken off right after barely starting the bike
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2 stroke power!
'99 rm 250 tons of extras...las vegas
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92rm125
Addict
| Posts: 10296
| Joined: 03/08
Posted: 03/17/09
05:46 AM
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Do you even know when the top-end was done last?
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The King Of Crumpets - Crumpet Boy!
- 1991 RM125
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Posted: 03/17/09
07:29 AM
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no i dont but im thinking i want to tare it down and do a complete rebuild from ground up this year so i know what i got
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92rm125
Addict
| Posts: 10296
| Joined: 03/08
Posted: 03/17/09
08:20 AM
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If you don't know when it was last done, I would definately tear down the top-end and check/inspect everything. Unless there are horrible knocking noises coming from the bottom end, I would leave it!
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The King Of Crumpets - Crumpet Boy!
- 1991 RM125
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Posted: 03/17/09
12:08 PM
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no noises but ive barley ridden it yet maybe 5 mins on it.
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